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1 MODEL MTG-3901 MASTER TIMING GENERATOR SYSTEM The MTG-3901 master timing generator system reaffirms Harris leadership in reference signal systems. The revolutionary architecture of the MTG-3901 master timing generator system sets new standards for performance, reliability and value. The MTG-3901 comprises a primary and secondary MTG-3901 master timing generator module and automatic changeover module - all fully integrated within a single NEO frame. This revolutionary architecture, in addition to its high-density packaging, offers enhanced reliability when compared to conventional reference generator architectures. Conventional reference systems are typically composed of separate master-clock and sync-pulse-generator systems. When combined with their own standalone automatic changeover units, these SPG systems consume additional costly rack space. In addition, these standalone systems are typically more expensive and lack sophisticated communication and redundancy features. All modules in the NEO family can be controlled locally by means of an intuitive card-edge interface or remotely, using the Nucleus network control panel or CCS NAVIGATOR. FEATURES Fully integrated modular Reference Signal System High-Density modular packaging for any application Comprehensive array of reference signals Integrated automatic changeover module for enhanced reliability Command and Control System (CCS ) enabled PRODUCT DETAILS MTG-3901 Master Timing Generator The MTG-3901, with its comprehensive array of analog and digital reference signals, leverages the inherent performance, reliability and density of the NEO platform and is the ultimate high-performance, reliable, feature-rich reference signal generator. High-density modular packaging for any application Operates in conjunction with the automatic changeover module for enhanced reliability Harris Command and Control System (CCS ) enabled for remote configuration and monitoring Comprehensive array of reference signals Four independently timeable outputs configurable for analog composite black burst or Tri-Level Sync

2 VITC & ATR on black burst outputs DARS LTC Timecode x Two Impulse clock driver Available GPS time synchronization Onboard modem for synchronization to remote CSD-5300/3901/3902 and MTG-3901 Onboard NTP server/client for synchronization of computer network The is the next generation solution to the automatic changeover unit. Conventional automatic changeover units are typically packaged as a 1RU chassis that work in conjunction with standalone primary and redundant reference signal generators. The, by leveraging the inherent advantages of the NEO platform, offers superior performance and packaging density over conventional standalone automatic changeover units. The module when installed with 2 MTG-3901 master timing generators in a single NEO frame, offers enhanced reliability, performance and features when compared to any conventional reference signal generator system comprising of standalone reference signal generators and automatic changeover unit. Features Automatic changeover unit on a single module. Installed with a primary and redundant MTG-3901 in a single frame for maximum density. Switching of all MTG-3901 output signals for enhanced reliability Remote configuration and monitoring via Harris CCS. Hot swappable front module with no loss of output signals. Applications The MTG-3901 master timing generator system should be utilized in any installation requiring both master clock and SPG functionality. The MTG-3901 supplies all the core reference signals typically required by a broadcast facility. The MTG-3901 is also ideal for use in ENG, OB Van or mobile applications where space is at a premium. When installed in a 1RU configuration, the MTG-3901 occupies from 2R-5RU less space than conventional SPG and master clock systems. 3RU configurations of the MTG-3901 can also be used effectively in space-restricted environments by allowing any additional modules to be installed in the same frame. A new approach to reference signals The MTG-3901/ master timing systems revolutionary integrated architecture offers additional enhancements when compared to conventional standalone reference signal generator systems. The MTG-3901 features full integration of reference signal generation and autochangeover functionality. This facilitates enhanced reliability, functionality and lower costs. The MTG-3901 is the only reference signal system with comprehensive network control and configuration via Harris Command and Control System, CCS. CCS offers an enhanced level of control and monitoring when compared to conventional reference systems. The MTG-3901 utilizes a modular form factor. The modular architecture facilitates packaging the MTG-3901 with additional NEO modules. This allows for more efficient use of equipment rack space and

3 simplifies system design and installation. Utilizing ATR technology (Absolute Time Reference), the MTG-3901 features a deterministic relationship between all of its reference signals. This simplifies installation and system timing issues. Conventional reference generator systems cannot be locked together deterministically, thereby adding additional cost, complexity and maintenance. Utilizing Nano-Lock technology, the MTG-3901 and all NEO Advanced Reference Systems are able to offer even greater precision, reaffirming Harris' industry leadership in reference systems. When the MTG-3901 is locked via the GPS-3903 GPS receiver or via the onboard modem, the time difference between its own internal timing engine and the reference time is calculated. Using this information, the MTG-3901 updates its output time and slews its black burst output timing to correspond with the new timing data. This ensures an accurate source of both time and black burst. Integrated reference systems that supply both timecode and black burst without Nano-Lock technology can experience black burst phase discontinuities during time synchronization. This is the result of a sudden shift in black burst phase when realigning to new timing information acquired during the synchronization. Black burst discontinuities are a potential source for disruptions for all downstream equipment within a facility. In addition, the MTG-3901 uses this new timing information to make minute adjustments to its own internal timing engine. After all timing adjustments are complete, the master frequency of the MTG-3901 s timing engine is adjusted to compensate for variations from the reference source. The MTG-3901 s ability to self-discipline its internal timing engine ensures that extended operation of the MTG-3901 will result in maximum precision. The MTG-3901 Master Timing Generator System utilizes advanced features for maximizing reliability. Absolute reliability is a major feature of the MTG-3901 master timing generator. The integrated architecture of the MTG-3901 offers enhanced reliability when compared to conventional reference signal generators with standalone automatic changeover units. The MTG-3901 also leverages the inherent reliability of the NEO modular platform and sets a new standard for performance and reliability that has been unheard of in reference signal system platforms until now. CCS - The MTG-3901 can be controlled and monitored via Harris's Command and Control System (CCS ). In addition to remote configuration, the status of the MTG-3901s and can be continuously monitored. If a fault or alarm is detected, it can be instantly reported to the operator for immediate action via the CCS network. This minimizes the time necessary to respond to any potential problem. DejaView - The MTG-3901 can come equipped with Harris DejaView state recovery feature. This will significantly reduce the downtime associated with reconfiguring a new module. Transparent Switching - The features transparent switching between the primary and secondary MTG Conventional autochangeover units will perform a non-synchronous switch from the primary to secondary SPG on detection of a fault. This "hard" changeover will be manifested as a discontinuity in the reference signals and result in a potential disruption to any downstream devices locked to the reference generator. With the MTG-3901 Master Timing Generator System, switchover of the unaffected

4 MTG signal outputs will be transparent with no discontinuities of the signal output. The s passive switching relays will also ensure a continuous signal in the event of a total failure of either the primary or secondary MTG Switching of up to 3 MTG-3901-FMs - The, in addition to being able to switch two frame internal MTG-3901-FM modules, can also switch a third external source through the external backmodule connections. In the event of a failure of the primary MTG-3901-FM, the secondary MTG-3901-FM will not be operating in failure mode without a backup. This is a considerable enhancement to overall system reliability. Comprehensive monitoring and switching - The can be configured to monitor and switch all of the output signals from its primary and secondary MTG-3901s. Conventional automatic changeover units typically do not offer switching of all of the outputs of their primary and secondary reference signal generators due to connector space limitations on the automatic changeover unit backpanel. This represents a major compromise in reliability. The integrated architecture of the MTG-3901 does not have this limitation. Standalone power supply - The MTG-3901/ comes equipped with an external DC power jack for use with the PWRSUPPLY-MTG external AC power adapter. When using the MTG-3901 in 1RU frame configurations, power redundancy can be achieved with the onboard frame power supply and external AC power adapter. This facilitates the use of the MTG-3901 in applications requiring both high density and redundancy (mobile production trucks). Simultaneous configuration - The MTG-3901 offers simultaneous configuration of the primary and secondary MTG-3901 modules. Changes in configuration to the primary MTG-3901 will immediately be reflected in the secondary MTG Identically configured primary and secondary MTG-3901s will minimize the potential for discontinuities associated with switchover from a primary to secondary reference signal source and simplify setup and maintenance. The Harris MTG-3901 provides a unique and innovative approach to reference signal generation.

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